Adding 'clear' method to Emitter to clear all currently displayed particles.
Change rogue get_/set_ functions to private (for consistency)
Merge pull request #229 from azrafe7/private-get-set

Change rogue get_/set_ functions to private (for consistency)
Formatting.
Merge pull request #228 from bendmorris/emitter

Adding 'clear' method to Emitter to clear all currently displayed particles
Setting _format.color to _color; fixes #233
Removing color for cli on Windows; fixes #227
Fixing SlopedGrid collisions, adding unit tests, improved debugDraw
Adding tests for Hitbox/SlopedGrid
Grid mask optimizations
Fixed issue with SlopedGrid/Circle collision
Don't require parent for Hitbox/Circle
Fix HXP.choose
Merge branch 'dev' of github.com:HaxePunk/HaxePunk into dev
Travis doesn't need the openfl alias
Merge branch 'dev' into v2.6

Conflicts:
	com/haxepunk/HXP.hx
	com/haxepunk/graphics/Image.hx
gotoIsNull has been removed